A new Request for Comments is now available in online RFC libraries. RFC 8331 Title: RTP Payload for Society of Motion Picture and Television Engineers (SMPTE) ST 291-1 Ancillary Data Author: T. Edwards Status: Standards Track Stream: IETF Date: February 2018 Mailbox: thomas.edwards@fox.com Pages: 20 Characters: 47110 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-ietf-payload-rtp-ancillary-14.txt URL: https://www.rfc-editor.org/info/rfc8331 DOI: 10.17487/RFC8331 This memo describes a Real-time Transport Protocol (RTP) payload format for the Society of Motion Picture and Television Engineers (SMPTE) ancillary space (ANC) data, as defined by SMPTE ST 291-1. SMPTE ANC data is generally used along with professional video formats to carry a range of ancillary data types, including time code, Closed Captioning, and the Active Format Description (AFD). This document is a product of the Audio/Video Transport Payloads Working Group of the IETF. This is now a Proposed Standard. STANDARDS TRACK: This document specifies an Internet Standards Track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the Official Internet Protocol Standards (https://www.rfc-editor.org/standards) for the standardization state and status of this protocol. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see https://www.ietf.org/mailman/listinfo/ietf-announce https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see https://www.rfc-editor.org/search For downloading RFCs, see https://www.rfc-editor.org/retrieve/bulk Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC